Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Reverse Sun Gear
    Disassembly   1. Remove the reverse clutch sun gear assembly and the No. 4 forward clutch hub bearing and race. 2. Remove the forward clutch sun gear assembly and the No. 5 forward clutch sun gear bearing and race. Assembly 1. The forward clutch ...

    Cylinder Heads (Removal)
    Special Tool(s) Remover, Crankshaft Vibration Damper 303-009 (T58P-6316-D) Remover, Crankshaft Front Oil Seal 303-107 (T74P-6700-A) Engine Lift Bracket Set 303-DS086 (D93P-6001-A) Compressor, Valve Sprin ...

    Disassembly
      1. CAUTION: Hand tighten the special tool to prevent gear damage. CAUTION: Support the output shaft while using the press to prevent damage to the shaft or gears. Using the special tool and a press, remove first gear, the output shaft rear bearing ...